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Publication
This paper presents the Scalable On-Line Execution algorithm (SOLE, for short) for continuous and on-line evaluation of concurrent continuous spatio- temporal queries over data str...
Publication
The tremendous increase in the use of cellular phones, GPS-like devices, and RFIDs results in highly dynamic environments where objects as well as queries are continuously moving. ...
SIGMOD
2002
ACM
14 years 9 months ago
2002
ACM
Scaling up to the enormous and growing Internet population with unpredictable usage patterns, Ecommerce applications face severe challenges in cost and manageability, especially f...
ICDE
2009
IEEE
14 years 10 months ago
2009
IEEE
Temporal data analysis in data warehouses and data streaming systems often uses time decay to reduce the importance of older tuples, without eliminating their influence, on the res...
JAIR
2007
13 years 8 months ago
2007
In the recent years several research efforts have focused on the concept of time granularity and its applications. A first stream of research investigated the mathematical model...